BUYJEM • Factory Direct
Product details
For wholesale: specs extracted from product content and saved fields.
Ship from / originWuzhou Gemstone City
Category
Lab-grown Spinel / Loose Gemstones
Gem type
Lab-Grown Cobalt Blue Spinel
Shape
Elongated cushion / Fat rectangle
Size / weight
5×7mm – 11×13mm
Cut
Excellent
Color
Blue
Clarity
VVS
Certificate
AGL/GRC
Growth method (lab)
Czochralski method
Factory / supplier
5 Wuzhou gem processing enterprises
Chemical
MgAl2O4
Hardness
8.2
Refractive index
1.694
Specific gravity
3.58-3.61
Customization
Custom cuts available
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Presenting a lab-grown cobalt blue spinel in a precise elongated cushion cut. This gemstone is available in a range of sizes from 5x7mm to 11x13mm, offering excellent cut quality and VVS clarity for a brilliant, vibrant blue appearance. It shares all the desirable physical and optical properties of natural spinel. Custom cuts are available to meet specific design requirements.